Qvantel Software Solutions Interview Questions and Answers

Normalization is a process in DBMS to organize data to reduce redundancy and improve data integrity.

• Normalization involves dividing a database into tables and defining relationships between them.

• It aims to eliminate data redundancy, ensuring that each piece of data is stored only once.

• There are several normal forms (1NF, 2NF, 3NF, BCNF) that define the level of normalization.

• For example, in 1NF, each table cell must co...read more

OOP is a programming paradigm based on objects that encapsulate data and behavior, promoting code reusability and modularity.

• Encapsulation: Bundling data and methods that operate on the data within one unit (e.g., a class).

• Inheritance: Mechanism to create a new class from an existing class, inheriting attributes and methods (e.g., a 'Dog' class inheriting from an 'Animal' class).

• Polymorphism: Ability to present the sam...read more

A circular linked list is a linked list where the last node points back to the first, forming a loop.

• In a standard linked list, the last node points to null, indicating the end of the list.

• In a circular linked list, the last node points to the first node, creating a circular structure.

• Circular linked lists can be singly or doubly linked, just like standard linked lists.

• Example: In a circular singly linked list, if you ...read more

I have 5+ years of experience in automation testing using tools like Selenium, Appium, and JUnit.

• Experience in creating automated test scripts for web applications using Selenium WebDriver

• Proficient in mobile automation testing using Appium for iOS and Android platforms

• Knowledge of writing test cases in JUnit for unit testing

• Experience in integrating automation scripts with Continuous Integration tools like Jenkins

• Fami...read more

The framework used is Selenium WebDriver for automated testing of web applications.

• Selenium WebDriver is a popular automation tool used for testing web applications

• It supports multiple programming languages such as Java, Python, and C#

• Allows for cross-browser testing and parallel test execution

• Provides a rich set of APIs for interacting with web elements